Open the project and do npm i in terminal to install node_modules.
Create a .env file in root folder which includes -
DATABASE_URL="postgresql://host:password@localhost:5432/dbName?schema=public"
AUTH_SECRET= Random secret which will be used by jwt and in authentication
GITHUB_CLIENT_ID=
GITHUB_CLIENT_SECRET=
GOOGLE_CLIENT_ID=
GOOGLE_CLIENT_SECRET=
RESEND_API_KEY= Signup to Resend for email services
NEXT_PUBLIC_APP_URL="http://localhost:3000"
Then do npm run dev in terminal